<h2 class="radikalwp-tx-metal">PREMIUM<//h2>

.radikalwp-tx-metal {
  margin: 0;
  font-size: 38px;
  font-weight: 900;
  letter-spacing: 4px;
  background: linear-gradient(100deg, #64748b 20%, #f8fafc 42%, #94a3b8 58%, #475569 78%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: radikalwp-tx-metal-sheen 3.6s ease-in-out infinite;
}
@keyframes radikalwp-tx-metal-sheen { 50% { background-position: -120% 0; } }